include/hw/ide/ahci.h

   1 /*
   2  * QEMU AHCI Emulation
   3  *
   4  * Copyright (c) 2010 qiaochong@loongson.cn
   5  * Copyright (c) 2010 Roland Elek <elek.roland@gmail.com>
   6  * Copyright (c) 2010 Sebastian Herbszt <herbszt@gmx.de>
   7  * Copyright (c) 2010 Alexander Graf <agraf@suse.de>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23
  24 #ifndef HW_IDE_AHCI_H
  25 #define HW_IDE_AHCI_H
  26
  27 #include "hw/sysbus.h"
  28
  29 typedef struct AHCIDevice AHCIDevice;
  30
  31 typedef struct AHCIControlRegs {
  32     uint32_t    cap;
  33     uint32_t    ghc;
  34     uint32_t    irqstatus;
  35     uint32_t    impl;
  36     uint32_t    version;
  37 } AHCIControlRegs;
  38
  39 typedef struct AHCIState {
  40     DeviceState *container;
  41
  42     AHCIDevice *dev;
  43     AHCIControlRegs control_regs;
  44     MemoryRegion mem;
  45     MemoryRegion idp;       /* Index-Data Pair I/O port space */
  46     unsigned idp_offset;    /* Offset of index in I/O port space */
  47     uint32_t idp_index;     /* Current IDP index */
  48     int32_t ports;
  49     qemu_irq irq;
  50     AddressSpace *as;
  51 } AHCIState;
  52
  53 typedef struct AHCIPCIState AHCIPCIState;
  54
  55 #define TYPE_ICH9_AHCI "ich9-ahci"
  56
  57 int32_t ahci_get_num_ports(PCIDevice *dev);
  58 void ahci_ide_create_devs(PCIDevice *dev, DriveInfo **hd);
  59
  60 #define TYPE_SYSBUS_AHCI "sysbus-ahci"
  61
  62 typedef struct SysbusAHCIState {
  63     /*< private >*/
  64     SysBusDevice parent_obj;
  65     /*< public >*/
  66
  67     AHCIState ahci;
  68     uint32_t num_ports;
  69 } SysbusAHCIState;
  70
  71 #define TYPE_ALLWINNER_AHCI "allwinner-ahci"
  72
  73 #define ALLWINNER_AHCI_MMIO_OFF  0x80
  74 #define ALLWINNER_AHCI_MMIO_SIZE 0x80
  75
  76 typedef struct AllwinnerAHCIState {
  77     /*< private >*/
  78     SysbusAHCIState parent_obj;
  79     /*< public >*/
  80
  81     MemoryRegion mmio;
  82     uint32_t regs[ALLWINNER_AHCI_MMIO_SIZE/4];
  83 } AllwinnerAHCIState;
  84
  85 #endif /* HW_IDE_AHCI_H */